❌ You're Doing Machine Chest Flyes WRONG! A common mistake on the chest fly machine is performing the exercise with your elbows at shoulder height, which can increase the risk of shoulder impingement. This often happens when the seat is set too low, causing your arms to extend straight out from your sides, perpendicular to your torso. To avoid this, raise the seat so that your elbows are slightly below shoulder level. This adjustment places your shoulders in a safer position. Size & Shred Traini